Hartley, B., & Nguyễn Thành Yến. (2000). American streamline: Departures. Student's book - workbook. Trẻ.
シカゴスタイル引用形Hartley, Bernard, , Nguyễn Thành Yến. American Streamline: Departures. Student's Book - Workbook. Trẻ, 2000.
MLA引用形式Hartley, Bernard, , Nguyễn Thành Yến. American Streamline: Departures. Student's Book - Workbook. Trẻ, 2000.
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